Service difficulty report · Shield · Boeing 7378H4

Difficulty date
September 28, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N8301J
Make and model
Boeing 7378H4
Aircraft serial
36980
Aircraft time
26,230 hours, 11,217 cycles
Part
Shield
Part number
146A812712
Condition
Corroded
Location
Aft Cargo Compt
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT CARGO COMPARTMENT BETWEEN STA 767 AND 787 +6' R/H FWD FLOOR SHIELD IS CORRODED IN SEVERAL AREAS TOP AND BOTTOM SIDES AS MARKED / REMOVED CORROSION FROM AFT CARGO COMPARTMENT R/H FWD FLOOR SHIELD BETWEEN STA 767 AND 787+6' EVALUATED MATERIAL LOSS ORIGINAL = .050 REMAINING = .009 LIMIT= 10 = .005'. FOUND TO BE OUT OF LIMITS IAW BOEING 737 SRM 53-00-53-1A-2. REMOVED CORROSION IAW BOEING 737 SRM 51-10-02-0G-0 PAR 15 AND INSPECTED TO VERIFY REMOVAL WITH 10X MAGNIFYING GLASS REMOVED FLOOR SHIELD IAW BOEING 737 SRM 51-40-02-0G-0. LOCATED AND DRILLED IAW BOEING DWG 146A0081 REV - AND BOEING 737 737 SRM 51-40-02-0G-0 ATAG WN7041 MPN 146A8127-12

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